[PATCH] trivial usb endianness annotations

[powerpc.git] / drivers / usb / net / gl620a.c

diff --git a/drivers/usb/net/gl620a.c b/drivers/usb/net/gl620a.c
index a6f0f4d..31e5fe3 100644 (file)
--- a/drivers/usb/net/gl620a.c
+++ b/drivers/usb/net/gl620a.c
@@ -70,12 +70,12 @@
        (((GL_MAX_PACKET_LEN + 4) * GL_MAX_TRANSMIT_PACKETS) + 4)
 
 struct gl_packet {
-       u32             packet_length;
+       __le32          packet_length;
        char            packet_data [1];
 };
 
 struct gl_header {
-       u32                     packet_count;
+       __le32                  packet_count;
        struct gl_packet        packets;
 };
 
@@ -85,15 +85,14 @@ static int genelink_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
        struct gl_packet        *packet;
        struct sk_buff          *gl_skb;
        u32                     size;
+       u32                     count;
 
        header = (struct gl_header *) skb->data;
 
        // get the packet count of the received skb
-       le32_to_cpus(&header->packet_count);
-       if ((header->packet_count > GL_MAX_TRANSMIT_PACKETS)
-                       || (header->packet_count < 0)) {
-               dbg("genelink: invalid received packet count %d",
-                       header->packet_count);
+       count = le32_to_cpu(header->packet_count);
+       if (count > GL_MAX_TRANSMIT_PACKETS) {
+               dbg("genelink: invalid received packet count %u", count);
                return 0;
        }
 
@@ -103,7 +102,7 @@ static int genelink_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
        // decrement the length for the packet count size 4 bytes
        skb_pull(skb, 4);
 
-       while (header->packet_count > 1) {
+       while (count > 1) {
                // get the packet length
                size = le32_to_cpu(packet->packet_length);
 
@@ -124,9 +123,8 @@ static int genelink_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
                }
 
                // advance to the next packet
-               packet = (struct gl_packet *)
-                       &packet->packet_data [size];
-               header->packet_count--;
+               packet = (struct gl_packet *)&packet->packet_data[size];
+               count--;
 
                // shift the data pointer to the next gl_packet
                skb_pull(skb, size + 4);
@@ -149,8 +147,8 @@ genelink_tx_fixup(struct usbnet *dev, struct sk_buff *skb, gfp_t flags)
        int     length = skb->len;
        int     headroom = skb_headroom(skb);
        int     tailroom = skb_tailroom(skb);
-       u32     *packet_count;
-       u32     *packet_len;
+       __le32  *packet_count;
+       __le32  *packet_len;
 
        // FIXME:  magic numbers, bleech
        padlen = ((skb->len + (4 + 4*1)) % 64) ? 0 : 1;
@@ -172,7 +170,7 @@ genelink_tx_fixup(struct usbnet *dev, struct sk_buff *skb, gfp_t flags)
        }
 
        // attach the packet count to the header
-       packet_count = (u32 *) skb_push(skb, (4 + 4*1));
+       packet_count = (__le32 *) skb_push(skb, (4 + 4*1));
        packet_len = packet_count + 1;
 
        *packet_count = cpu_to_le32(1);